Millersburg is located in southeast Iowa. Millersburg is part of Iowa County. Millersburg has 0.14 square miles of land area and has no water area. As of 2010-2014, the total Millersburg population is 186, which has grown 1.09% since 2000. The population growth rate is lower than the state average rate of 5.19% and is much lower than the national average rate of 11.61%. Millersburg median household income is $48,068 in 2010-2014 and has grown by 28.18% since 2000. The income growth rate is lower than the state average rate of 33.56% and is about the same as the national average rate of 27.36%. Millersburg median house value is $74,300 in 2010-2014 and has grown by 64.02% since 2000. The house value growth rate is higher than the state average rate of 53.09% and is higher than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Millersburg is much better than the state average in quality. The Millersburg area code is 319.